2009–2011 · Enduro · Buyer's Guide
Hardcore Single, Zero Compromise
KTM built this one around a single job. A 654 cc liquid-cooled single with fuel injection, 63 hp at 7,500 rpm and 47 lb-ft at 6,000, hung in a light steel trellis frame with adjustable WP suspension at both ends. Travel is 10.8 in front and rear, ground clearance is 11.0 in, and the wheels are proper dirt sizes: 21 in front, 18 in rear. There is no ABS and no traction control, nothing sitting between your right hand and the rear tire. That puts it at the hard end of the street-legal dual-sport class rather than in the comfortable middle.
Ridden the way it was built to be ridden, the torque spread does the work. The single pulls from low revs, and the tall gearing lets you cover ground without hunting for shifts. The trade is honest. The seat is narrow and 36.6 in off the deck, the suspension stays firm at road pace, and 3.2 gal of fuel puts a short leash on any long day. The sharp throttle response asks for a rider who already knows what the front wheel is doing. Buy it if your riding genuinely gets technical. Look elsewhere if the dirt is a garnish on a road trip.
Spec sheets don't ride bikes, but they set the baseline.
| Power | 63 hp (46 kW) @ 7,500 rpm |
|---|---|
| Torque | 47 lb-ft (64 Nm) @ 6,000 rpm |
| Displacement | 654 cc |
| Engine | Single-cylinder |
| Cooling | Liquid-cooled |
| Gearbox | 6-speed |
| Final drive | Chain |
| Fork | Upside-down (USD) |
| Front brake | 300 mm |
| Front tire | 90/90-21 |
| Rear tire | 140/80-18 |
| Wheelbase | 59.0 in (1498 mm) |
| Ground clearance | 11.0 in (280 mm) |
| Front travel | 10.8 in (275 mm) |
| Rear travel | 10.8 in (275 mm) |
| Seat height | 36.6 in (930 mm) |
| Fuel capacity | 3.2 gal (12 L) |
Equipment check
Chassis
This part comes from riders, not from me. Years of owner conversations at events, talk after club evenings, and messages from people who put miles on one leave a consistent picture: the engine and the chassis collect the compliments, and the reservations are about comfort and slow-speed work.
Riders come back to the single first. They describe power that arrives early and stays available instead of waiting for the top of the tach, with enough legs to hold a fast road pace. The chassis gets its share too: composed on sealed roads, and adjustable at both ends so the suspension keeps doing its job when the ground breaks up. For a motor this size, owners also say the shaking stays mild enough that it is not what tires them out.
Seat height comes up most. Riders who are not tall describe losing confidence at a stop, or when paddling over uneven ground. Road comfort is the other steady theme: the firm setup and thin seat wear people down once the miles add up. Two smaller notes recur. The stock light is too dim to trust after dark, and the steering lock runs short when the going gets tight.
Weak rear subframe bolts
The bolts securing the rear subframe can loosen or break, especially when the bike is loaded with luggage and ridden off-road. Periodic tightening or upgraded fasteners are advised.
Rocker arm bearing failure
The roller bearings in the rocker arms of the LC4 single can wear prematurely or collapse, in some cases at relatively low mileage. The first symptom is a ticking or rattling noise from the top end; if the engine keeps running, the failed bearing can damage the rocker arm and the camshaft lobe and shed needle rollers into the cylinder head.
Stator failure
The stator can fail, resulting in charging system problems and a dead battery. This issue is more common on bikes with high electrical load or aftermarket accessories.
Fuel pump failure
The in-tank fuel pump and associated filter are prone to failure, often due to clogging. Symptoms include stalling, hard starting, or no-start. Replacing the pump assembly is the common fix.
Throttle response and stalling
Some owners report an abrupt throttle response and occasional stalling, especially when cold or at low rpm. A throttle position sensor (TPS) reset or ECU reflash often mitigates the issue.
Front fork seals leaking
Oil leaks from fork seals can occur, reducing suspension performance and causing a harsh ride. Regular inspection and seal replacement are recommended.
Clutch slippage under heavy load
Clutch plates can wear prematurely, leading to slippage especially during aggressive off-road riding. Timely clutch inspection and replacement mitigates the issue.
Where this KTM 690 Enduro R pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.
Power
Torque
Displacement
Seat height
Forget spec-sheet bragging. Here's who the 690 Enduro R is actually built for.
This is the bike for the day you ride slickrock, sand and ledges until your arms quit. Long travel, real dirt wheels, no electronic safety net, so the skill has to come from you.
Made for Bar M / Kane Creek · Imperial Sand Dunes · Johnson Valley OHV Area
It will eat the technical sections of any BDR without complaint. Plan hard around 3.2 gal of fuel, a narrow seat and firm suspension, because the transit miles between sections are the real work.
Made for AZBDR — Arizona Backcountry Discovery Route · California BDR South · COBDR — Colorado Backcountry Discovery Route
If you're cross-shopping the older generation, here's what changed.
Previous generation · 2002–2007
The Off-Road Single That Bites
Compare to the previous model →If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.
Any price note compares both bikes at the same age — the youngest age both have on the used market — against this KTM 690 Enduro R. “cheaper/pricier” is what that bike costs second-hand, not how worn it is.
Successor · 2012–2013
One Cylinder, Full Send
Competitor · 2008–2020
Full Off-Road Ticket, Street Plates
About the same used price as this bike at 15 yr
Same Platform · 2008–2011
One Cylinder, Zero Filler
Roughly $1,400 cheaper used than this bike at 15 yr